In a chemical reaction, substance r reacts with compound xy to produce 47.0 g of compound rx. if the theoretical yield of rx is 56.0 g, what is its percent yield?
a.9.00%
b.16.1%
c.83.9%
d.119%

The answer is C 83.9%.

It was necessary to redeem the world and he knew that his son was the only way

The problem here is that according to aufbau principle before 3d orbital 4s subshell comes.after filling 3p orbital with electrons you have 4 electrons left, you place two in 4s with opposite spin and the other two in 3d in any of its two orbitals of total five orbitals with the same spin.